EP1484593A2 - Banc d' éssai de vehicules - Google Patents

Banc d' éssai de vehicules Download PDF

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Publication number
EP1484593A2
EP1484593A2 EP04013096A EP04013096A EP1484593A2 EP 1484593 A2 EP1484593 A2 EP 1484593A2 EP 04013096 A EP04013096 A EP 04013096A EP 04013096 A EP04013096 A EP 04013096A EP 1484593 A2 EP1484593 A2 EP 1484593A2
Authority
EP
European Patent Office
Prior art keywords
test stand
vehicle
double roller
rollers
stand according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04013096A
Other languages
German (de)
English (en)
Other versions
EP1484593A3 (fr
EP1484593B1 (fr
Inventor
Uwe Oehme
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Horiba Automotive Test Systems GmbH
Original Assignee
Schenck Pegasus GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schenck Pegasus GmbH filed Critical Schenck Pegasus GmbH
Publication of EP1484593A2 publication Critical patent/EP1484593A2/fr
Publication of EP1484593A3 publication Critical patent/EP1484593A3/fr
Application granted granted Critical
Publication of EP1484593B1 publication Critical patent/EP1484593B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
    • G01L5/282—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes the vehicle wheels cooperating with rotatable rolls
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls

Definitions

  • the invention relates to a vehicle test bench according to the preamble of claim 1.
  • Test benches have been in the automotive industry for many years used to stationary vehicles instead of in driving tests testing. Such vehicle test benches are used for various Test methods used. The main application of such test benches is the measurement of the torque and power of a vehicle, as well as the simulation of driving mechanics and inertial forces, when the vehicle is actually moving surrendered on the street.
  • test benches should not only be used for vehicles with front wheel or rear-wheel drive, but if possible also for vehicles with all-wheel drive.
  • exhaust gas test benches with roller diameters proven by 48 ", because of this also large vehicle masses can be simulated and the large casters come very close to the mostly flat road surfaces.
  • Such a performance or exhaust test bench is from DE 199 00 620 A1 known, the roll diameter with about that twice the diameter of vehicle wheels is specified.
  • the test bench disclosed there has two sets of rollers of two rollers each, on which the vehicle wheels for exhaust emissions testing to be ordered.
  • the two 48 "roles are arranged on a continuous axis, in the middle an electrical machine as a so-called central motor for application the necessary acceleration or load is.
  • This electrical machine is preferably around an AC motor that is in a frame is fixed in place. This AC machine is in the fixed frame swinging and based on a Force measuring device with which the load or Acceleration torque is determined.
  • the common wave which directly drives or loads the two roles is in the Support frame supported by a special lubrication-free bearing which is particularly low-friction to a high To ensure measurement accuracy and thus simulation quality.
  • Driving simulation a control unit is provided with which the driving conditions specified for the simulation are controlled.
  • Both test kits are used to test exhaust emissions from all-wheel drive vehicles adjustable length to accommodate vehicles with different To be able to check center distances.
  • the disclosed vehicle test bench has a drive shaft with a relative large diameter and a large engine between the test rolls, so that obviously large ones and heavy vehicles can be checked. Through the broad Rollers should also vehicles with different Track widths and vehicle widths can be checked. Indeed such a test bench requires a relatively deep one Pit in which the large-sized roles and the high AC machine and support frame can be accommodated can. This not only requires a considerable amount of construction work and high cost, but only allowed a stationary Test operation in which the vehicles go to the exhaust test bench in any case have to be transported.
  • EP 0 824 672 B1 is a portable vehicle test stand known, which is provided for exhaust gas testing. in this connection it is a so-called double roller test bench, that works without a pit and only on a level floor is attached. There are ramps in front of each set of rollers provided on the vehicle wheels to be tested can roll up every set of rollers.
  • This vehicle test bench consists of two separate double roller units per drive axle, the width of a common rail are adjustable to each other. Each role unit is arranged transversely to the vehicle wheel, the rollers in their Diameter considerably smaller than a conventional vehicle wheel are trained.
  • To the side of each double roller set a separate AC machine for controlled load introduction provided that is swinging and on supports a force transducer.
  • the invention is therefore based on the task of providing a highly accurate To create vehicle test bench that is so compact is that it can be transported on usual traffic routes and exhaust gas measurements on almost all common vehicle types allows.
  • the invention has the advantage that by the central motor and a high measuring accuracy can be achieved with the provided double roller set is and this is done in a mobile version has been using even exhaust gas tests on small vehicles Gauges from approx. 1,100 mm and vehicle sizes up to 200 cm Width and 2,500 kg weight, and this at a test bench height of less than 65 cm.
  • Such a test bench according to the invention also has the advantage that he can be dismantled on public Roads can be moved in a container or on a truck, and on the test site in the shortest possible time and without any significant installation effort Exhaust emissions tests enabled.
  • the double roller test stand according to the invention advantageously also the emission test of heavy vehicle types, without additional flywheels and this with an optimal simulation of the track conditions.
  • each double roller unit needs advantageously only four pivot bearings, so that the Test stand is designed to be very low-friction and low-wear.
  • a regulated asynchronous motor is provided. This has the Advantage that this allows both vehicles with the smallest gauges and large weight values can be checked.
  • two are longitudinal adjustable double roller units provided with the advantageously also four-wheel drive vehicles with different Wheelbases can be checked. At the same time this can be done on simple Almost automatic calibration performed with almost no manual, time-consuming work gets along.
  • rollers are a flange connection connected to the drive shafts, whereby advantageously good accessibility and ease of maintenance is achieved. This is also the use short drive shafts possible on the advantageously Speed transducers can be placed in the roller cavity, through which the test bench width is advantageously not increased got to.
  • a double roller unit 1 is one Vehicle test bench shown that consists of two double roller sets 2 with an electrical arranged in between Load machine 3, the speed and Load moment is determined and the one for exhaust gas testing Motor vehicle with an internal combustion engine is provided.
  • the double roller unit 1 shown basically represents one Double roller test bench for vehicles with one drive axle represents that with the appropriate control unit as an exhaust test bench is trained.
  • the drive axle drives on exhaust test benches of a motor vehicle with an internal combustion engine, the two double roller sets 2, which after a predetermined driving cycle the electrical machine 3 are loaded.
  • predetermined driving cycle is the exhaust gas of the Internal combustion engine detected and according to its pollutant proportions evaluated and displayed.
  • the drive wheels are used to drive the double roller unit 1 positioned between the two sets of rollers 2 and by the Internal combustion engine driven.
  • Each set of roles 2 exists one of the two rollers arranged parallel to each other Vehicle side that drives synchronously and loads synchronously become.
  • the two double roller sets 2 can on your Circumference can be coated with a road-like covering, so that the driving force is non-positively from the vehicle tires is transferred to the double roller sets.
  • Each roller 8, 9 of the double roller sets 2 have an outer diameter of preferably 20 ", which is a common roller size, the good friction values with low flexing behavior having.
  • rollers 8 are tubular are trained and in their first third towards an inner mounting ring in the middle of the test bench 6 have, with which they on a fixed mounting flange 7 are screwed to the two drive shafts 4, 5.
  • the rollers 8, 9 preferably have a length of 600 mm and are transverse to a longitudinal axis of the test bench and up to outer boundary of the vehicle test stand arranged.
  • the two front rollers 8, 9 of the two double roller sets 2 are through a continuous drive shaft 4 with an approximately in the middle of the double roller unit 1 arranged electrical Machine 3 connected, which is a so-called mid-engine and can be operated both as a generator and as a motor is.
  • This central motor 3 is preferably a speed-controlled one Asynchronous motor trained and can in principle also replaced by a DC or synchronous machine become.
  • This asynchronous motor 3 is provided with modern IGBT converters (Insulated Gate Bipolar Transistor) connected, which precise speed control is guaranteed.
  • the Asynchronous motor 3 is designed in a very short compact design and preferably has a rectangular stator housing 700 mm long and 500 mm high.
  • For a double roller unit 1 are middle motors 3 with nominal power up to approx. 80 kW and a short-term overload range of approx. 110 kW are provided, which also predefined driving simulations of highly motorized Series vehicles allowed.
  • This asynchronous motor 3 has a continuous drive shaft 4, which is designed as a rotor and which extends so far beyond the motor housing, that the two front rollers 8, 9 are attached to it can.
  • This motor drive shaft 4 preferably has one Length of 1,400 mm and a diameter of approx. 100 mm and is designed for vehicle weights up to approx.2,500 kg.
  • This motor drive shaft 4 has two low-friction roller bearings 11 rotatable as a pivot bearing with a stationary test stand frame 10 connected, the motor 3 oscillating on two vertical Supports the test bench frame 10 is suspended. Still owns the oscillating motor 3 in the middle of its front vertical stator wall a horizontally projecting Torque lever 12, which is based on a force transducer Force measuring device is supported relative to the test bench frame 10 and with which a signal is generated in the test mode that the Load or drive torque of the alternating current machine 3 is proportional.
  • a second is parallel to the motor drive shaft 4 Drive shaft 5 arranged the length of the motor drive shaft 4 corresponds and preferably the same dimensions has.
  • This continuous second drive shaft 5 is also mounted according to the motor drive shaft 4 and also provided with two receiving flanges 7 at their outer ends, to which the two rear rollers are screwed.
  • Across from the motor toothed pulley 14 is in the longitudinal direction of the test bench a similar toothed pulley 15 on the second Drive shaft 5 attached, both with a rotating Toothed belt 16 are connected as a belt drive, the second Drive shaft 5 drives or loaded at synchronous speed.
  • test bench brake 17 attached in front of the motor housing is preferably designed as a disc brake and after Test process can temporarily shut down the test bench.
  • Speed sensor 17 attached on the second drive shaft 5 is also a not shown Speed sensor attached, with the help of the Speed of the second drive shaft is monitored.
  • the entire double roller unit 1 is in a flat rectangular Test bench frame 10 arranged and forms a test bench unit 2,200 mm wide, 1,500 mm long and approx. 650 mm height.
  • This double roller unit 1 can both on one set up on a flat horizontal surface as well as in commercially available Containers or on the loading area of trucks be transported.
  • Such a double roller unit 1 is still in practice with cover plates and ramps provided so that vehicles with uniaxial Drive can be checked.
  • FIG. 2 of the drawing is an exhaust test bench as a special one Design of a dynamometer shown, the particular is provided for all-wheel drive vehicles.
  • This exhaust test bench is there basically from two double roller units 1 according to FIG. 1, which are slidably spaced apart are. With such a longitudinal adjustment, the different Center distances of the vehicles to be tested set so that all drive wheels are symmetrical between the Roller pairs 2 run.
  • a not shown Spindle drive provided by which the distance between the double roller units 1 according to the known Vehicle center distances is set.
  • each stator housing two double roller units 1 a lever arm as screwable Bearing bracket 21, 20 attached, between which as a connecting means a connecting rod 22 is attached. It supports the left side of the mounting rod 22 via a path reinforcing Coil spring package 23 on the left bearing block 21 from.
  • a calibrated reference load cell 24 attached with a display device or program-controlled evaluation device can be connected.
  • the pillow blocks 20, 21 preferably have a lever arm length of 381 mm, the preferably corresponds to the lever arm length of the torque lever 12.
  • the force can be introduced via the known lever arm lengths on the loading machines 3 with the detected reference force be compared and if there is a deviation the force measuring devices on the load machines 3 accordingly calibrated to the reference measured value.
  • Such a calibration device is on the stator housing through provided threaded holes or clamping devices easy and quick to attach, so that this is easy Way can be removed after calibration.
  • Such a simple calibration device can also be used for a single double roller unit 1 can be provided. To do this then only the right pedestal 20 on a stationary device part be attached, from which the double roller unit 1 for example via a sliding Frame would be adjustable. This could also be the case solved by means of a subframe 18 and a spindle drive become.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Engines (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
EP04013096A 2003-06-03 2004-06-03 Banc d'éssai de véhicules Expired - Lifetime EP1484593B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10325276A DE10325276A1 (de) 2003-06-03 2003-06-03 Fahrzeugprüfstand
DE10325276 2003-06-03

Publications (3)

Publication Number Publication Date
EP1484593A2 true EP1484593A2 (fr) 2004-12-08
EP1484593A3 EP1484593A3 (fr) 2005-03-02
EP1484593B1 EP1484593B1 (fr) 2011-10-05

Family

ID=33154546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04013096A Expired - Lifetime EP1484593B1 (fr) 2003-06-03 2004-06-03 Banc d'éssai de véhicules

Country Status (3)

Country Link
EP (1) EP1484593B1 (fr)
AT (1) ATE527530T1 (fr)
DE (1) DE10325276A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009132627A1 (fr) * 2008-05-02 2009-11-05 Maha-Aip Gmbh & Co. Kg Banc d'essai à rouleaux pour des véhicules motorisés
CN104297001A (zh) * 2014-08-19 2015-01-21 深圳市瑞格尔仪器有限公司 汽车带轮(减震器)耐久疲劳试验机
FR3011327A1 (fr) * 2013-10-01 2015-04-03 Motech V Dispositif d'essais pour vehicule a moteur
CN108020370A (zh) * 2017-12-29 2018-05-11 北京盘天新技术有限公司 一种组合式称台铺装结构
CN109540553A (zh) * 2019-01-04 2019-03-29 安路普（北京）汽车技术有限公司 一种空气悬架系统功能测试台架及系统
CN115265902A (zh) * 2022-07-25 2022-11-01 中国农业大学 一种拖拉机三销式悬挂测力系统的标定试验台

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007009140B4 (de) * 2007-02-24 2019-08-14 Renk Test System Gmbh Abgasprüfstand für Fahrzeuge
DE102011088424B4 (de) * 2011-12-13 2020-07-09 Bayerische Motoren Werke Aktiengesellschaft Prüfvorrichtung für einen Rollen-Prüfstand

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144010A (en) * 1936-10-05 1939-01-17 A E Feragen Inc Portable dynamometer
FR1543183A (fr) * 1966-08-24 1968-10-25 Banc d'essais pour véhicule automobile
EP0417020A1 (fr) * 1989-09-05 1991-03-13 CLEMESSY Société Anonyme Banc de simulation et de contrôle de roulage pour un véhicule routier
EP0824672B1 (fr) * 1996-03-01 2000-03-29 Snap-on Technologies, Inc. Dynamomètre de train dont les blocs sont déplaçable latéralement avec une séparation de l'appui et du guidage
DE19900620A1 (de) * 1999-01-11 2000-07-13 Maha Gmbh & Co Kg Rollenprüfstand für Kraftfahrzeuge

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5452605A (en) * 1991-02-08 1995-09-26 Clayton Industries Dynamometer for simulating the inertial and road load forces encountered by motor vehicles
US5101660A (en) * 1991-04-05 1992-04-07 Clayton Industries Method and apparatus for enabling two or four wheel drive vehicles to be tested under simulated road conditions
US5311770A (en) * 1992-06-05 1994-05-17 Horiba Instruments Incorporated Frictionless bearing chassis dynamometer
US5445013A (en) * 1993-08-30 1995-08-29 Clayton Industries Dynamometer for simulating the inertial and road load forces encountered by motor vehicles and method
US5450748A (en) * 1994-02-28 1995-09-19 Maxwell Dynamometer Systems, Inc. Multiple function chassis dynamometer and method
DE19822037A1 (de) * 1998-05-15 1999-11-18 Schenck Pegasus Gmbh Verfahren und Regeleinrichtung zur elektrischen Schwungmassensimulation bei Prüfständen
DE10050789C2 (de) * 2000-10-13 2002-11-14 Renk Ag Rollenprüfstand für Kraftfahrzeug- und/oder Reifenprüfung
DE10120294A1 (de) * 2001-04-25 2002-10-31 Maha Gmbh & Co Kg Rollenprüfstand für Kraftfahrzeuge
DE10207110A1 (de) * 2002-02-20 2003-08-28 Maha Gmbh & Co Kg Rollenprüfstand für Kraftfahrzeug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144010A (en) * 1936-10-05 1939-01-17 A E Feragen Inc Portable dynamometer
FR1543183A (fr) * 1966-08-24 1968-10-25 Banc d'essais pour véhicule automobile
EP0417020A1 (fr) * 1989-09-05 1991-03-13 CLEMESSY Société Anonyme Banc de simulation et de contrôle de roulage pour un véhicule routier
EP0824672B1 (fr) * 1996-03-01 2000-03-29 Snap-on Technologies, Inc. Dynamomètre de train dont les blocs sont déplaçable latéralement avec une séparation de l'appui et du guidage
DE19900620A1 (de) * 1999-01-11 2000-07-13 Maha Gmbh & Co Kg Rollenprüfstand für Kraftfahrzeuge

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009132627A1 (fr) * 2008-05-02 2009-11-05 Maha-Aip Gmbh & Co. Kg Banc d'essai à rouleaux pour des véhicules motorisés
FR3011327A1 (fr) * 2013-10-01 2015-04-03 Motech V Dispositif d'essais pour vehicule a moteur
EP2857821A1 (fr) * 2013-10-01 2015-04-08 V-Motech Dispositif d'essais pour véhicule à moteur
CN104297001A (zh) * 2014-08-19 2015-01-21 深圳市瑞格尔仪器有限公司 汽车带轮(减震器)耐久疲劳试验机
CN108020370A (zh) * 2017-12-29 2018-05-11 北京盘天新技术有限公司 一种组合式称台铺装结构
CN108020370B (zh) * 2017-12-29 2024-02-20 盘天(厦门)智能交通有限公司 一种组合式称台铺装结构
CN109540553A (zh) * 2019-01-04 2019-03-29 安路普（北京）汽车技术有限公司 一种空气悬架系统功能测试台架及系统
CN115265902A (zh) * 2022-07-25 2022-11-01 中国农业大学 一种拖拉机三销式悬挂测力系统的标定试验台
CN115265902B (zh) * 2022-07-25 2024-06-11 中国农业大学 一种拖拉机三销式悬挂测力系统的标定试验台

Also Published As

Publication number Publication date
ATE527530T1 (de) 2011-10-15
EP1484593A3 (fr) 2005-03-02
DE10325276A1 (de) 2004-12-23
EP1484593B1 (fr) 2011-10-05

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